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Isothiocyanates. XLIV. Preparation and properties of some substituted benzhydryl isothiocyanates

J. Kalamár, Ľ. Drobnica, K. Antoš, J. Surá, and D. Mravec

Department of Organic Technology, Slovak Technical University, 880 37 Bratislava

 

Abstract:  Synthesis of 2-, 3-, 4-, and 4,4/-substituted benzhydryl isothiocyanates with halo, methyl, methoxy, nitro, and isothiocyanato groups as substituents is described. The obtained i.r. spectral data indicate that jo-substituents in the substituted benzhydryl isothiocyanates similarly as in benzyl isothiocyanates affect vas(NCS) so that a linear correlation with σm and σp values is valid. The reactivity of — NCS group with OH- ions and — NH2 group of glycine respectively was studied spectrophotometrically. The obtained reaction rates of glycine addition do not point to a possibility of this correlation.

Full paper in Portable Document Format: 286a840.pdf

 

Chemical Papers 28 (6) 840–847 (1974)

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